Authorities say a 27-year-old man has died after striking his head when diving into an Omaha apartment pool.

Police say officers were in the area around 5:20 p.m. Wednesday, helping a person who had fallen on a sidewalk, when people approached them to report the accident at a nearby apartment complex.

When officers got to the pool, they saw that someone was trying to revive the man.

Police say the man was taken to Creighton University Medical Center, where he was pronounced dead.

Witnesses told police the man had struck his head when he dove into the pool's shallow end.

The man was identified as Kye Mickens, of Omaha.

The accident is being investigated.